17 August 2016 The x-ray polarimeter instrument on board the Polarimeter for Relativistic Astrophysical X-ray Sources (PRAXyS) mission
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Abstract
The Polarimeter for Relativistic Astrophysical X-ray Sources (PRAXyS) is one of three Small Explorer (SMEX) missions selected by NASA for Phase A study. The PRAXyS observatory carries an X-ray Polarimeter Instrument (XPI) capable of measuring the linear polarization from a variety of high energy sources, including black holes, neutron stars, and supernova remnants. The XPI is comprised of two identical mirror-Time Projection Chamber (TPC) polarimeter telescopes with a system effective area of 124 cm2 at 3 keV, capable of photon limited observations for sources as faint as 1 mCrab. The XPI is built with well-established technologies. This paper will describe the performance of the XPI flight mirror with the engineering test unit polarimeter.
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J. E. Hill, J. E. Hill, J. K. Black, J. K. Black, K. Jahoda, K. Jahoda, T. Tamagawa, T. Tamagawa, W. Iwakiri, W. Iwakiri, T. Kitaguchi, T. Kitaguchi, M. Kubota, M. Kubota, P. Kaaret, P. Kaaret, R. McCurdy, R. McCurdy, D. M. Miles, D. M. Miles, T. Okajima, T. Okajima, Y. Soong, Y. Soong, L. Olsen, L. Olsen, L. Sparr, L. Sparr, S. J. Mosely, S. J. Mosely, D. Nolan, D. Nolan, } "The x-ray polarimeter instrument on board the Polarimeter for Relativistic Astrophysical X-ray Sources (PRAXyS) mission", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99051B (17 August 2016); doi: 10.1117/12.2233322; https://doi.org/10.1117/12.2233322
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